“We need Catherine to get over this first bit and then we can start celebrating,” William said at a mental health conference in Oxford on Tuesday. “It’s always a bit anxious to start with, but she’s well.”

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The first day of school is here!

Kensington Palace shared photos and a video of the father and son, as well as flashback photos of William and Prince Harry starting their own first days of school.

“We are going to try and make this a really happy, safe and secure time,” Ben Thomas, principal of Thomas’s London Day Schools, told BBC. “I hope he will have the confidence to be himself with all his quirks and his idiosyncrasies and characteristics ― that’s what I would want for all of our children.”